43423

Appears in sequences

• Total number of parts in all partitions of n with at least one distinct part.at n=28A220477
• Number of (n+3) X 9 0..1 matrices with each 4 X 4 subblock idempotent.at n=17A224566
• Numbers k such that (10^k - 19)/9 is prime.at n=20A293272
• Number of maximal subsets of {1..n} containing n such that every subset has a different sum.at n=41A325867
• a(n) is the least positive integer that can be expressed as the sum of two distinct nonzero decimal palindromes in exactly n ways.at n=43A364836